#!/bin/sh -e

GREEN='\033[1;32m'
YELLOW='\033[1;33m'
RED='\033[1;31m'
NC='\033[0m'

FLAKE="macos"

echo "${YELLOW}Available generations:${NC}"
/run/current-system/sw/bin/darwin-rebuild --list-generations

echo "${YELLOW}Enter the generation number for rollback:${NC}"
read GEN_NUM

if [ -z "$GEN_NUM" ]; then
  echo "${RED}No generation number entered. Aborting rollback.${NC}"
  exit 1
fi

echo "${YELLOW}Rolling back to generation $GEN_NUM...${NC}"
/run/current-system/sw/bin/darwin-rebuild switch --flake .#$FLAKE --switch-generation $GEN_NUM

echo "${GREEN}Rollback to generation $GEN_NUM complete!${NC}"
